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Increasingly, we note that the room device are industrial-style.This is achieved, for example, the unfolding of electrical installations.
Electric power is the rate at which electrical energy is transferred by an electric circuit.
The SI unit of power is the watt, one joule per second. Electric power is usually produced by electric generators, but can also be supplied by sources such as electric batteries.It is usually supplied to businesses and homes by the electric power industry through an electric power grid. Electric power is usually sold by the kilowatt hour (3.6 MJ) which is the product of power in kilowatts multiplied by running time in hours. Electric utilities measure power using an electricity meter, which keeps a running total of the electric energy delivered to a customer. Electrical power provides a low entropy form of energy and can be converted into motion or other forms of energy with high efficiencyŹródło: https://en.wikipedia.org/wiki/Electric_power
Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field.There are two types of electric charges: positive and negative.
Early knowledge of how charged substances interact is now called classical electrodynamics, and is still accurate for problems that don't require consideration of quantum effects. The electric charge is a fundamental conserved property of some subatomic particles, which determines their electromagnetic interaction.Electrically charged matter is influenced by, and produces, electromagnetic fields.